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Gossamer Bio
GOSS

Overview Fund Activity

98 hedge funds and large institutions have $197M invested in Gossamer Bio in 2023 Q4 according to their latest regulatory filings, with 22 funds opening new positions, 33 increasing their positions, 23 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
98
Holders Change
+3
Holders Change %
+3.16%
% of All Funds
1.44%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
22
Increased
33
Reduced
23
Closed
19
Calls
$3.18M
Puts
$936K
Net Calls
+$2.24M
Net Calls Change
+$105K

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$11.2M
2
Morgan Stanley
2
Morgan Stanley
New York
$10.2M
3
AG
3
Artal Group
Luxembourg
$11M
4
Deutsche Bank
4
Deutsche Bank
Germany
$3.46M
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$3.37M

Top Sellers

1
BC
1
Boxer Capital
California
$0
2
GPP
2
Great Point Partners
Connecticut
$0
3
NCM
3
Nantahala Capital Management
Connecticut
$614K
4
Alyeska Investment Group
4
Alyeska Investment Group
Illinois
$2.66M
5
SCM
5
Stonepine Capital Management
Oregon
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
NMC
1
NEA Management Company
Maryland
$14.5M +$100K +110,067 +0.7%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$11.2M +$10.6M +11,625,497 +1,821%
AG
3
Artal Group
Luxembourg
$11M +$5.16M +5,659,149 +88%
Vanguard Group
4
Vanguard Group
Pennsylvania
$10.6M +$335K +367,306 +3%
Morgan Stanley
5
Morgan Stanley
New York
$10.2M +$9.81M +10,746,373 +2,746%
EC
6
EcoR1 Capital
California
$8.39M – – –
OCA
7
Octagon Capital Advisors
New York
$8.38M +$913K +1,000,000 +12%
AVM
8
Arch Venture Management
Illinois
$7.35M – – –
PAI
9
Palo Alto Investors
California
$6.53M -$626K -571,400 -9%
PIM
10
Platinum Investment Management
Australia
$6.35M +$1.46M +1,596,332 +30%
EP
11
Eversept Partners
New York
$5.87M +$1.83M +2,004,858 +45%
Citadel Advisors
12
Citadel Advisors
Florida
$5.6M -$25.5K -27,911 -0.5%
FCM
13
Farallon Capital Management
California
$5.59M – – –
SB
14
Samsara BioCapital
California
$5.59M – – –
SCM
15
Silverarc Capital Management
Massachusetts
$5.59M – – –
MAP
16
Madison Avenue Partners
New York
$4.61M -$982K -1,075,796 -18%
HA
17
HHLR Advisors
Cayman Islands
$4.54M – – –
Millennium Management
18
Millennium Management
New York
$3.85M -$2.58M -2,826,750 -40%
AC
19
Armistice Capital
New York
$3.79M -$730K -800,000 -16%
Deutsche Bank
20
Deutsche Bank
Germany
$3.46M +$3.46M +3,807,661 New
T. Rowe Price Associates
21
T. Rowe Price Associates
Maryland
$3.37M +$3.37M +3,695,227 New
MIM
22
Monashee Investment Management
Massachusetts
$3.16M -$1.68M -1,844,358 -35%
BlackRock
23
BlackRock
New York
$3.08M -$993K -1,088,007 -24%
6CM
24
683 Capital Management
New York
$3.02M +$1.45M +1,588,561 +92%
RSCM
25
Rock Springs Capital Management
Maryland
$2.98M – – –
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